One reason the skeletal system is important is because the skeletal system creates the connective tissue and tendons that allow the body to move Support, movement, protection, production of blood cells, storage of minerals, and endocrine regulation are all functions of the skeletal system. It is composed of bones, cartilages, ligaments and other tissues that perform these functions.
Vaccines PERIOD, because the vaccine has a little bit of the disease in it to build up you immune system. Which is why you get them yearly like the flu shot.
She should try to get a day off so she can let her muscles relax and have time to rebuild new muscle. Remember that muscle grows slowly so within 24 hours muscle starts to grow thus she should rest for at least 1 or 2 days so she doesn't exhaust her body.